[PATCH] D69862: [IR] PR27065: Part1. Fix BasicBlock::removePredecessor to not break SSA form.

[Denis Bakhvalov via Phabricator via llvm-commits]

dendibakh created this revision.
dendibakh added reviewers: lebedev.ri, spatel, grosser.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

In certain cases BasicBlock::removePredecessor generates self-referencing instructions.

This patch fixes one of such cases.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D69862

Files:
  llvm/lib/IR/BasicBlock.cpp
  llvm/unittests/IR/BasicBlockTest.cpp

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